document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=159341>Question 159341</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618250220/algebrahomeworkh>Geometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand this at all. It says A and B are supplemetry. A=3x and B=x+8. Find A and B. What do you do? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #117459 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=117459\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A and B are supplemetry. A=3x and B=x+8. Find A and B. What do you do?<BR>\n" );
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document.write( "What you are expected to know is that:<BR>\n" );
document.write( "if two angles are \"supplementary\", the sum of the two angles = 180.<BR>\n" );
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document.write( "This means:<BR>\n" );
document.write( "A + B = 180<BR>\n" );
document.write( "or<BR>\n" );
document.write( "3x + (x+8) = 180<BR>\n" );
document.write( "4x + 8 = 180<BR>\n" );
document.write( "4x = 172<BR>\n" );
document.write( "x = 43 <BR>\n" );
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document.write( "Therefore:<BR>\n" );
document.write( "Angle A:<BR>\n" );
document.write( "3x = 3(43) = 129 degrees<BR>\n" );
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document.write( "Angle B:<BR>\n" );
document.write( "x+8 = 43+8 = 51 degrees<BR>\n" );
document.write( " </SPAN>\n" );
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